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7513893493 = 59571223037
BaseRepresentation
bin1101111111101110…
…01110101001110101
3201101122201100010121
412333313032221311
5110342024042433
63241332451541
7354126020011
oct67767165165
921348640117
107513893493
113206440437
121558479bb1
13929913b32
14513ccb541
152de9c8c2d
hex1bfdcea75

7513893493 has 8 divisors (see below), whose sum is σ = 7654664160. Its totient is φ = 7373570160.

The previous prime is 7513893481. The next prime is 7513893557. The reversal of 7513893493 is 3943983157.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-7513893493 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7513893493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7513893403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77830 + ... + 145207.

It is an arithmetic number, because the mean of its divisors is an integer number (956833020).

Almost surely, 27513893493 is an apocalyptic number.

It is an amenable number.

7513893493 is a deficient number, since it is larger than the sum of its proper divisors (140770667).

7513893493 is a wasteful number, since it uses less digits than its factorization.

7513893493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223667.

The product of its digits is 2449440, while the sum is 52.

The square root of 7513893493 is about 86682.7173835708. The cubic root of 7513893493 is about 1958.6417680234.

The spelling of 7513893493 in words is "seven billion, five hundred thirteen million, eight hundred ninety-three thousand, four hundred ninety-three".

Divisors: 1 59 571 33689 223037 13159183 127354127 7513893493